Tread portion of an automobile tire



FIG. 1 is a perspective view of a tread portion of an automobile tireaccording to my design;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a fragmentary enlarged front view surrounded by line A-A andB-B in FIG. 2 showing the details of the tread portion thereof;

FIG. 7 is a section view taken along line 7-7 in FIG. 6; and,

FIG. 8 is a section view taken along line 8-8 in FIG. 6.

The broken lines in the drawings are intended to show portions of thetire that are not being claimed, and thus form no part of the claimeddesign.

CLAIM The ornamental design for a tread portion of an automobile tire,as shown and described.